no
yes. After the substantive examination of the invention patent application, the patent applicant can submit a request and pay the prescribed conversion request fee to convert the patent type from invention to utility model. If the invention patent does not meet the conditions for granting a patent, a request for conversion may be filed within three months from the date of issuance of the rejection document of the invention patent.
no
- via Paris Convention : 6 months from earliest priority date
- Hague Agreement route: 6 months from earliest priority date
Vietnam State Intellectual Property Office
English: Intellectual Property Office of Viet Nam, Abbreviation: IPVN
Website: Trang chủ - CỤC SỞ HỮU TRÍ TUỆ (ipvietnam.gov.vn)
Vietnam Utility Model Patent Search: IP Viet Nam
yes. Please consult IPVN for the standards and charges for restoring the priority.
IPVN conducts formality examination and substantive examination of utility model patents. IPVN has no restrictions on the fields of utility model patent applications. Utility models can be applied for in all fields covered by inventions, but all utility models will undergo substantive examination. A patent applicant/anyone needs to file a substantive request no later than 36 months from the filing date.
20 years
no
Filing Language: Vietnamese
via Paris Convention via Nationalization of PCT Necessary documents:
- Abstract
- Abstract Drawing
- Claim
- Specification
- Drawing
Necessary documents:
- Abstract
- Abstract Drawing
- Claim
- Specification
- Drawing
Attachments (if any)
- Power of Attorney
- Certified Priority Document
- Declaration of Ownership/Certification of Employment/Assignment of priority
- Assignment for Patent Right Transfer
- Notification issued by CNIPA notify the applicant the application has passed through the security review
- Description of patent IPC classification number
Attachments (if any)
- WIPO Publication
- ISR/IPRP
- Entry into the Vietnamese national phase Amended Article 19/28/34/41
- Power of Attorney
- Declaration of Ownership/Certification of Employment/Assignment of priority
- Assignment for Patent Right Transfer
- Description of patent IPC classification number
yes. Multiple designs may be included in one design application.